by Wen Heping.
Changelog:
QA release:
- Fix bug #2676: Setting selected value doesn't work [cweiske]
- Implement request #1749: add support for <optgroup> elements
for multi-level arrays [cweiske]
- Automatically set the <select> element id attribute
- Add some examples
- Convert to package.xml v2
- Fix coding standards
- Stabilize after 6 years in beta